package com.jieshen;

public class TreeNode {
    public Integer val;
    public TreeNode left;
    public TreeNode right;

    TreeNode(int x) {
        val = x;
    }

    public TreeNode(Integer x) {
        val = x;
    }

    @Override
    public String toString() {
        return "com.jieshen.TreeNode{" +
                "val=" + val +
                '}';
    }
}
